Question about 1998 Buick Regal

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I have a 98 buick regal gs.i have no heat i changed the thermosat and fliud levels are fine. still no heat. blows out cold air still???

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Check your heater contrl valve if equipped.

Posted on Dec 12, 2009

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1998 buick regal gs heat blows hot on passenger side and cold on the driver side.


Same problem on my 98 Regal GS; remove glove box, locate the blend door actuator, (black odd shaped box with metal "ring"). Remove the box and manually turn the blend door shaft it was attached to. If you get cold air, it's the actuator you removed. About 30-40 dollars.

Nov 04, 2011 | 1998 Buick Regal

2 Answers

Heat blows hot on passenger side but cold on driver side


Same problem on my 98 Regal GS; remove glove box, locate the blend door actuator, (black odd shaped box with metal "ring"). Remove the box and manually rotate the blend door shaft it was attached to clockwise. If you get cold air, it's the actuator you removed. About 30-40 dollars.

Nov 24, 2010 | 1999 Buick LeSabre

1 Answer

98 Buick Regal GS, won't start. Past 2 weeks it


The ignition module is my second guess,but check the crankshaft sensor first.

Jan 25, 2010 | 1998 Buick Regal

1 Answer

Fan work new thermosat but still ni heat blowing


CHECK THE HIGHT OF THE HEATER MATRIX IN THE CAB , IF ITS HIGHER THAN THE FILLER/EXPANSION TANK. THEN ITS AN AIR LOCK, LOOK FOR THE HIGHEST PIPE AND SEE IF THERE IS A BLEED VALVE, IF NOT TAKE BOTH PIPES OFF THE MATRIX FEEDS AND FLUSH OUT TO SEE IF IT IS BLOCKED, AND RECONNECT LOWEST PIPE FIRST AND FILL SYSTYM TILL WATER APPEAR FROM TOP AND RECONNECT RUN MOTOR, AND KEEP TOPIN UP

Dec 05, 2009 | 1998 Buick Regal

1 Answer

Passenger side only blowing cold air.


You need to replace the "blend" door actuator motor on the pass side. I recommend getting that from your nearest gm dealer to ensure proper fit. When you adjust the air from cold to warm to hot, the blend door moves to direct the right amount of cold, or warm, or hot air your desire on that side of the vehicle

Dec 04, 2009 | 2000 Buick Regal

1 Answer

98 Buick Regal -engine quits


ok its one of two things you need to check when it cuts off if you have spark or fuel if you lose fuel pressure replace pump it gets hot and makes noise like its running but its not pumping fuel and if you lose spark you need to replace ignition control module has a hair line crack in it and when gets hot the crack expands and loses contact and wala no spark

Aug 15, 2009 | 1998 Buick Regal

1 Answer

Belt routing diagram for 98 Buick Regal GS


if serpentine, then it should be on the fan shroud or the radiator cover...

Mar 25, 2009 | 1998 Buick Regal

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